Construction of TUATinsecta database that integrated plant and insect database for screening phytophagous insect metabolic products with medicinal potential

Author:

Nakane Wakana,Nakamura Hisashi,Nakazato Takeru,Kaminaga Natsuki,Nakano Miho,Sakamoto Takuma,Nishiko Maaya,Bono Hidemasa,Ogiwara Isao,Kitano Yoshikazu,Iwabuchi Kikuo,Kinoshita Kaoru,Simpson Richard J.,Tabunoki Hiroko

Abstract

AbstractPhytophagous insect larvae feed on plants containing secondary metabolic products with biological activity against other predatory organisms. Phytophagous insects can use their specialised metabolic systems to covert these secondary metabolic products into compounds with therapeutic properties useful to mankind. Some Asians drink tea decoctions made from phytophagous insect frass which is believed to be effective against inflammatory diseases. However, insects that can convert plant-derived secondary metabolic products into useful human therapeutic agents remain poorly studied. Here, we constructed the TUATinsecta database by integrating publicly plant/insect datasets for the purpose of selecting insect species. Using TUAT-insecta we selected the Asian swallowtail butterfly, Papilio xuthus larvae fed on several species of Rutaceous plants and examined whether the plant-derived secondary metabolites, especially those present in frass, were chemically altered or not. We extracted metabolic products from frass using three organic solvents with different polarities, and evaluated solvent fractions for their cytotoxic effects against several human cell lines. We found that chloroform frass extracts from P. xuthus larvae fed on Poncirus trifoliata leaves contained significant cytotoxic activity. Our findings demonstrate that screening of insect species using the ‘TUATinsecta’ database provides an important pipeline for discovering novel therapeutic agents that might be useful for mankind.

Funder

ROIS Joint

JSPS KAKENHI

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

Reference39 articles.

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